Efectividad del ácido fórmico y el timol en el control del ácaro Varroa destructor en colmenas de abejas africanizadas

by Calderón, Rafael A., Ramírez, Marianyela, Ramírez, Fernando, Villalobos, Ethel
Published 2014

Preliminary Assessment of Agricultural Area and its Influence to the Quality of Water in Golfo Dulce, Costa Rica

by Fournier, María Luisa, Castillo, Luisa E., Ramírez, Fernando, Moraga, Geannina, Ruepert, Clemens
Published 2019